<template>
  <div class="app-container">
    <el-card class="box-card">
      <div slot="header" class="clearfix">
        <span class="el-icon-document">待办任务</span>
        <el-tag style="margin-left: 10px">发起人:{{ startUser }}</el-tag>
        <el-tag>任务节点:{{ taskName }}</el-tag>
        <el-button
          style="float: right"
          size="mini"
          type="danger"
          @click="goBack"
          >返回</el-button
        >
        <el-button
          style="float: right; margin-right: 15px"
          size="mini"
          type="success"
          @click="printPDF"
          v-if="activeName!=='3'"
          >下载</el-button
        >
      </div>
      <div style="margin: 10px 0 15px">
        <el-radio-group v-model="type" size="small" @change="onChangeType">
          <el-radio-button
            :label="item.taskKey"
            v-for="(item, index) in typeList"
            :key="index"
            >{{ item.taskName }}</el-radio-button
          >
        </el-radio-group>
      </div>
      <el-tabs tab-position="top" v-model="activeName" @tab-click="handleClick">
        <!--表单信息-->
        <el-tab-pane label="表单信息" name="1">
          <el-col :span="16" :offset="4">
            <div id="vFormRef">
              <v-form-render ref="vFormRef" />
            </div>
            <div style="margin-left: 10%; margin-bottom: 20px; font-size: 14px">
              <el-button
                :type="typeColor[item.id]"
                icon="el-icon-thumb"
                @click="handleComplete(item.id)"
                v-for="(item, index) in formBtns"
                :key="index"
                >{{ item.name }}</el-button
              >
            </div>
          </el-col>
        </el-tab-pane>

        <!--流程流转记录-->
        <el-tab-pane label="流转记录" name="2">
          <!--flowRecordList-->
          <el-col :span="16" :offset="4" id="flow">
            <div class="block">
              <el-timeline>
                <el-timeline-item
                  v-for="(item, index) in flowRecordList"
                  :key="index"
                  :icon="setIcon(item.finishTime)"
                  :color="setColor(item.finishTime)"
                >
                  <p style="font-weight: 700">{{ item.taskName }}</p>
                  <el-card :body-style="{ padding: '10px' }">
                    <el-descriptions
                      class="margin-top"
                      :column="1"
                      size="small"
                      border
                    >
                      <el-descriptions-item
                        v-if="item.assigneeName"
                        label-class-name="my-label"
                      >
                        <template slot="label"
                          ><i class="el-icon-user"></i>办理人</template
                        >
                        {{ item.assigneeName }}
                        <el-tag type="info" size="mini">{{
                          item.deptName
                        }}</el-tag>
                      </el-descriptions-item>
                      <el-descriptions-item
                        v-if="item.candidate"
                        label-class-name="my-label"
                      >
                        <template slot="label"
                          ><i class="el-icon-user"></i>候选办理</template
                        >
                        {{ item.candidate }}
                      </el-descriptions-item>
                      <el-descriptions-item label-class-name="my-label">
                        <template slot="label"
                          ><i class="el-icon-date"></i>接收时间</template
                        >
                        {{ item.createTime }}
                      </el-descriptions-item>
                      <el-descriptions-item
                        v-if="item.finishTime"
                        label-class-name="my-label"
                      >
                        <template slot="label"
                          ><i class="el-icon-date"></i>处理时间</template
                        >
                        {{ item.finishTime }}
                      </el-descriptions-item>
                      <el-descriptions-item
                        v-if="item.duration"
                        label-class-name="my-label"
                      >
                        <template slot="label"
                          ><i class="el-icon-time"></i>耗时</template
                        >
                        {{ item.duration }}
                      </el-descriptions-item>
                      <el-descriptions-item
                        v-if="item.comment"
                        label-class-name="my-label"
                      >
                        <template slot="label"
                          ><i class="el-icon-tickets"></i>处理意见</template
                        >
                        {{ item.comment.comment }}
                      </el-descriptions-item>
                    </el-descriptions>
                  </el-card>
                </el-timeline-item>
              </el-timeline>
            </div>
          </el-col>
        </el-tab-pane>
        <!--流程图-->
        <el-tab-pane label="流程图" name="3">
          <bpmn-viewer :flowData="flowData" :procInsId="taskForm.procInsId" />
        </el-tab-pane>
      </el-tabs>
      <!--审批任务  委派任务 转办任务-->
      <el-dialog
        :title="completeTitle"
        :visible.sync="completeOpen"
        width="60%"
        append-to-body
      >
        <el-form ref="taskForm" :model="taskForm">
          <el-form-item prop="targetKey">
            <flow-user
              v-if="checkSendUser"
              :checkType="checkType"
              :selectValues="selectUserList"
              @handleUserSelect="handleUserSelect"
            ></flow-user>
            <flow-role
              v-if="checkSendRole"
              @handleRoleSelect="handleRoleSelect"
            ></flow-role>
          </el-form-item>
          <el-form-item
            :label="`${
              btnsType === 'completeTask'
                ? '审批'
                : btnsType === 'delegateTask'
                ? '委派'
                : '转办'
            }意见`"
            label-width="80px"
            prop="comment"
            :rules="[
              {
                required: true,
                message: `'请输入${
                  btnsType === 'completeTask'
                    ? '审批'
                    : btnsType === 'delegateTask'
                    ? '委派'
                    : '转办'
                }意见`,
                trigger: 'blur',
              },
            ]"
          >
            <el-input
              type="textarea"
              v-model="taskForm.comment"
              :rows="4"
              :placeholder="`'请输入${
                btnsType === 'completeTask'
                  ? '审批'
                  : btnsType === 'delegateTask'
                  ? '委派'
                  : '转办'
              }意见`"
            />
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="completeOpen = false">取 消</el-button>
          <el-button type="primary" @click="taskComplete" :loading="loading"
            >确 定</el-button
          >
        </span>
      </el-dialog>
      <!--退回流程-->
      <el-dialog
        :title="returnTitle"
        :visible.sync="returnOpen"
        width="60%"
        append-to-body
      >
        <el-form ref="taskForm" :model="taskForm" label-width="80px">
          <el-form-item label="退回节点" prop="targetKey">
            <el-radio-group v-model="taskForm.targetKey">
              <el-radio-button
                v-for="item in returnTaskList"
                :key="item.id"
                :label="item.id"
                >{{ item.name }}
              </el-radio-button>
            </el-radio-group>
          </el-form-item>
          <el-form-item
            label="退回意见"
            prop="comment"
            :rules="[
              { required: true, message: '请输入意见', trigger: 'blur' },
            ]"
          >
            <el-input
              type="textarea"
              :rows="4"
              v-model="taskForm.comment"
              placeholder="请输入退回意见"
            />
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="returnOpen = false">取 消</el-button>
          <el-button type="primary" @click="taskReturn" :loading="loading"
            >确 定</el-button
          >
        </span>
      </el-dialog>
      <!--驳回流程-->
      <el-dialog
        :title="rejectTitle"
        :visible.sync="rejectOpen"
        width="60%"
        append-to-body
      >
        <el-form ref="taskForm" :model="taskForm" label-width="80px">
          <el-form-item
            label="驳回意见"
            prop="comment"
            :rules="[
              { required: true, message: '请输入意见', trigger: 'blur' },
            ]"
          >
            <el-input
              type="textarea"
              :rows="4"
              v-model="taskForm.comment"
              placeholder="请输入驳回意见"
            />
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
          <el-button @click="rejectOpen = false">取 消</el-button>
          <el-button type="primary" @click="taskReject" :loading="loading"
            >确 定</el-button
          >
        </span>
      </el-dialog>
    </el-card>
  </div>
</template>

<script>
import { flowRecord } from "@/api/flowable/finished";
import FlowUser from "@/components/flow/User";
import FlowRole from "@/components/flow/Role";
import { flowXmlAndNode } from "@/api/flowable/definition";
import {
  complete,
  rejectTask,
  returnList,
  returnTask,
  getNextFlowNode,
  delegate,
  assign,
  flowTaskForm,
} from "@/api/flowable/todo";
import BpmnViewer from "@/components/Process/viewer";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import { getDictList } from "@/api/flowable/form";
import { set } from "nprogress";
export default {
  name: "Record",
  components: {
    BpmnViewer,
    FlowUser,
    FlowRole,
  },
  props: {},
  data() {
    return {
      eventName: "click",
      // 流程数据
      flowData: {},
      activeName: "1",
      type: "",
      typeList: [],
      btnsList: [],
      formBtns: [],
      formContent: {},
      btnsType: "",
      typeColor: {
        completeTask: "primary",
        delegateTask: "success",
        transferTask: "info",
        returnTask: "warning",
        rejectTask: "danger",
      },
      selectUserList: [],
      // 遮罩层
      loading: false,
      flowRecordList: [], // 流程流转数据
      rules: {}, // 表单校验
      taskForm: {
        returnTaskShow: false, // 是否展示回退表单
        delegateTaskShow: false, // 是否展示回退表单
        defaultTaskShow: true, // 默认处理
        comment: "", // 意见内容
        procInsId: "", // 流程实例编号
        instanceId: "", // 流程实例编号
        deployId: "", // 流程定义编号
        taskId: "", // 流程任务编号
        procDefId: "", // 流程编号
        targetKey: "",
        variables: {},
      },
      returnTaskList: [], // 回退列表数据
      completeTitle: null,
      completeOpen: false,
      returnTitle: null,
      returnOpen: false,
      rejectOpen: false,
      rejectTitle: null,
      checkSendUser: false, // 是否展示人员选择模块
      checkSendRole: false, // 是否展示角色选择模块
      checkType: "single", // 选择类型
      taskName: null, // 任务节点
      startUser: null, // 发起人信息,
      multiInstanceVars: "", // 会签节点
      formJson: {},
    };
  },
  created() {
    if (this.$route.query) {
      this.taskName = this.$route.query.taskName;
      this.startUser = this.$route.query.startUser;
      this.taskForm.deployId = this.$route.query.deployId;
      this.taskForm.taskId = this.$route.query.taskId;
      this.taskForm.procInsId = this.$route.query.procInsId;
      this.taskForm.executionId = this.$route.query.executionId;
      this.taskForm.instanceId = this.$route.query.procInsId;
      // 流程任务获取变量信息
      if (this.taskForm.taskId) {
        this.getFlowTaskForm(this.taskForm.taskId);
      }
      this.getFlowRecordList(this.taskForm.procInsId, this.taskForm.deployId);
    }
  },
  methods: {
    //初始按钮数据
    getLoad() {
      let params = {
        pageNum: 1,
        pageSize: 1000,
        dictType: "flow_form_btn",
      };
      getDictList(params).then((response) => {
        let data = response.rows || [];
        this.btnsList = data.map((item) => {
          return {
            id: item.dictValue,
            name: item.dictLabel,
          };
        });
      });
    },
    handleClick(tab, event) {
      if (tab.name === "3") {
        flowXmlAndNode({
          procInsId: this.taskForm.procInsId,
          deployId: this.taskForm.deployId,
        }).then((res) => {
          this.flowData = res.data;
        });
      }
    },
    setIcon(val) {
      if (val) {
        return "el-icon-check";
      } else {
        return "el-icon-time";
      }
    },
    setColor(val) {
      if (val) {
        return "#2bc418";
      } else {
        return "#b3bdbb";
      }
    },
    // 用户信息选中数据
    handleUserSelect(selection) {
      if (selection) {
        if (selection instanceof Array) {
          let temp = selection.filter((item) => item);
          const selectVal = temp.map(
            (item) => item.userId && item.userId.toString()
          );
          this.taskForm.assignee = selectVal.join(",");
          // if (this.multiInstanceVars) {
          //   this.$set(
          //     this.taskForm.variables,
          //     this.multiInstanceVars,
          //     selectVal
          //   );
          // } else {
          //   this.$set(this.taskForm.variables, "approval", selectVal.join(","));
          // }
        } else {
          this.taskForm.assignee = selection.userId.toString();
          // this.$set(
          //   this.taskForm.variables,
          //   "approval",
          //   selection.userId.toString()
          // );
        }
      }
    },
    // 角色信息选中数据
    handleRoleSelect(selection, roleName) {
      if (selection) {
        if (selection instanceof Array) {
          const selectVal = selection.map((item) => item.roleId.toString());
          this.$set(this.taskForm.variables, "approval", selectVal.join(","));
        } else {
          this.$set(this.taskForm.variables, "approval", selection);
        }
      }
    },
    /** 流程流转记录 */
    getFlowRecordList(procInsId, deployId) {
      const that = this;
      const params = { procInsId: procInsId, deployId: deployId };
      flowRecord(params)
        .then((res) => {
          that.flowRecordList = res.data.flowList;
        })
        .catch((res) => {
          this.goBack();
        });
    },
    /** 流程节点表单 */
    async getFlowTaskForm(taskId) {
      await this.getLoad();
      if (taskId) {
        // 提交流程申请时填写的表单存入了流程变量中后续任务处理时需要展示
        flowTaskForm({ taskId: taskId }).then((res) => {
          let data = res.data;
          data.forEach((item) => {
            if (item.formContent && !item.formContent.formJson) {
              item.formContent.formJson = {
                widgetList: item.formContent.widgetList,
                formConfig: item.formContent.formConfig,
              };
            }
            if (!item.formContent) {
              item.formContent = {
                formJson: {
                  widgetList: [],
                  formConfig: {},
                },
              };
            }
          });
          this.typeList = data;
          this.actityKey = data.findIndex((item) => item.status === "run");
          const assignee = data[this.actityKey].assignee;
          this.taskForm.assignee = assignee;
          if (assignee) {
            this.selectUserList = assignee;
          }
          this.type = data[this.actityKey].taskKey;
          // 回显表单
          let formContent = data[this.actityKey].formContent || {};
          this.formContent = formContent;
          setTimeout(() => {
            this.$refs.vFormRef.setFormJson(formContent.formJson);
            this.formJson = formContent.formJson;
            this.getFormBtns(data[this.actityKey].button);
            this.$nextTick(() => {
              // 加载表单填写的数据
              this.$refs.vFormRef.setFormData(formContent);
              // this.$nextTick(() => {
              //   // 表单禁用
              //   this.$refs.vFormRef.disableForm();
              // })
            });
          }, 500);
        });
      }
    },

    //处理最新显示按钮
    getFormBtns(str) {
      if (!str) {
        this.formBtns = [];
        return;
      }
      this.formBtns = this.btnsList.filter((item) => {
        return str.includes(item.id);
      });
    },

    /** 委派任务 */
    handleDelegate() {
      this.taskForm.delegateTaskShow = true;
      this.taskForm.defaultTaskShow = false;
    },
    handleAssign() {},
    /** 返回页面 */
    goBack() {
      // 关闭当前标签页并返回上个页面
      const obj = { path: "/task/todo", query: { t: Date.now() } };
      this.$tab.closeOpenPage(obj);
    },
    /** 驳回任务 */
    handleReject() {
      this.rejectOpen = true;
      this.rejectTitle = "驳回流程";
    },
    /** 驳回任务 */
    taskReject() {
      this.$refs["taskForm"].validate((valid) => {
        if (valid) {
          this.loading = true;
          rejectTask(this.taskForm)
            .then((res) => {
              this.loading = false;
              this.$modal.msgSuccess(res.msg);
              this.goBack();
            })
            .catch(() => {
              this.loading = false;
            });
        }
      });
    },
    /** 可退回任务列表 */
    handleReturn() {
      this.returnOpen = true;
      this.returnTitle = "退回流程";
      returnList(this.taskForm).then((res) => {
        this.returnTaskList = res.data;
      });
    },
    /** 提交退回任务 */
    taskReturn() {
      this.$refs["taskForm"].validate((valid) => {
        if (valid) {
          this.loading = true;
          returnTask(this.taskForm)
            .then((res) => {
              this.$modal.msgSuccess(res.msg);
              this.loading = false;
              this.goBack();
            })
            .catch(() => {
              this.loading = false;
            });
        }
      });
    },
    /** 取消回退任务按钮 */
    cancelTask() {
      this.taskForm.returnTaskShow = false;
      this.taskForm.defaultTaskShow = true;
      this.returnTaskList = [];
    },

    /** 加载审批任务弹框 */
    handleComplete(id) {
      this.btnsType = id;
      switch (id) {
        case "completeTask": //审批任务
          this.completeOpen = true;
          this.completeTitle = "流程审批";
          this.submitForm();
          break;
        case "delegateTask": //委派任务
          this.completeOpen = true;
          this.completeTitle = "流程委派";
          this.submitForm();
          break;
        case "transferTask": //转办任务
          this.completeOpen = true;
          this.completeTitle = "流程转办";
          this.submitForm();
          break;
        case "returnTask": //退回任务
          this.handleReturn();
          break;
        default:
          this.handleReject();
          break;
      }
      // this.completeOpen = true;
      // this.completeTitle = "流程审批";
      // this.submitForm();
    },
    /** 用户审批任务 */
    taskComplete() {
      if (!this.taskForm.variables && this.checkSendUser) {
        this.$modal.msgError("请选择流程接收人员!");
        return;
      }
      if (!this.taskForm.variables && this.checkSendRole) {
        this.$modal.msgError("请选择流程接收角色组!");
        return;
      }
      if (!this.taskForm.comment) {
        this.$modal.msgError(
          `请输入${
            this.btnsType === "completeTask"
              ? "审批"
              : this.btnsType === "delegateTask"
              ? "委派"
              : "转办"
          }意见`
        );
        return;
      }
      if (this.taskForm) {
        this.loading = true;
        switch (this.btnsType) {
          case "completeTask": //审批任务提交
            complete(this.taskForm).then((response) => {
              this.loading = false;
              this.$modal.msgSuccess(response.msg);
              this.goBack();
            });
            break;
          case "delegateTask": //委派任务提交
            delegate(this.taskForm).then((response) => {
              this.loading = false;
              this.$modal.msgSuccess(response.msg);
              this.goBack();
            });
            break;
          case "transferTask": //转办任务提交
            assign(this.taskForm).then((response) => {
              this.loading = false;
              this.$modal.msgSuccess(response.msg);
              this.goBack();
            });
            break;
        }
      }
    },
    /** 申请流程表单数据提交 */
    submitForm() {
      // 根据当前任务或者流程设计配置的下一步节点 todo 暂时未涉及到考虑网关、表达式和多节点情况
      const params = { taskId: this.taskForm.taskId };
      getNextFlowNode(params).then((res) => {
        this.$refs.vFormRef
          .getFormData()
          .then((formData) => {
            Object.assign(this.taskForm.variables, formData);
            this.taskForm.variables.formJson = this.formJson;

          })
          .catch((error) => {
            // this.$modal.msgError(error)
          });
        const data = res.data;
        if (data) {
          if (data.dataType === "dynamic") {
            if (data.type === "assignee") {
              // 指定人员
              this.checkSendUser = true;
              this.checkType = "single";
            } else if (data.type === "candidateUsers") {
              // 候选人员(多个)
              this.checkSendUser = true;
              this.checkType = "multiple";
            } else if (data.type === "candidateGroups") {
              // 指定组(所属角色接收任务)
              this.checkSendRole = true;
            } else {
              // 会签
              // 流程设计指定的 elementVariable 作为会签人员列表
              this.multiInstanceVars = data.vars;
              this.checkSendUser = true;
              this.checkType = "multiple";
            }
          }
          if (data.dataType === "fixed" && !data.type) {
            // 指定人员
            this.checkSendUser = true;
            this.checkType = "multiple";
          }
        }
      });
    },
    // 动态绑定操作按钮的点击事件
    handleButtonClick(method) {
      this[method]();
    },
    //切换流程分组类型
    onChangeType(val) {
      this.type = val;
      const row = this.typeList.filter((item) => item.taskKey === val)[0];
      let formContent = row.formContent || {};
      this.formContent = formContent;
      if (formContent.formJson.widgetList) {
        formContent.formJson.widgetList.forEach((item) => {
          item.options.disabled =
            this.typeList[this.actityKey].taskKey === val ? false : true;
        });
      }
      this.$refs.vFormRef.setFormJson(formContent.formJson);
      this.formJson = formContent.formJson;
      this.getFormBtns(row.button);
      this.$nextTick(() => {
        this.$refs.vFormRef.setFormData(formContent);
      });
    },
    //下载pdf
    printPDF() {
      let key = this.activeName=='1'?'vFormRef':'flow';
      this.PrintPDF(this.activeName=='1'?"表单信息":'流转记录', this, key);
    },
  },
};
</script>
<style lang="scss" scoped>
.test-form {
  margin: 15px auto;
  width: 800px;
  padding: 15px;
}

.clearfix:before,
.clearfix:after {
  display: table;
  content: "";
}

.clearfix:after {
  clear: both;
}

.box-card {
  width: 100%;
  margin-bottom: 20px;
}

.el-tag + .el-tag {
  margin-left: 10px;
}

.my-label {
  background: #e1f3d8;
}
#vFormRef,#flow{
  padding: 20px 10px;
  box-sizing: border-box;
}
</style>
